vnikolov1's articles:

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simulating local lexical variables with symbol macros 156 26 (11/5/2009 4:25:19 AM) comp.lang.lisp ;; LLET is a substitute for LET (for lexical variables) and LFUNCTION ;; is a substitute for FUNCTION for closing over LLET's bindings (as ;; well as LET's). The macroexpansions do not contain LET forms for ;... Vassil

OT: a beware-of-the-trolls "street sign" 8 64 (10/22/2009 4:29:50 AM) comp.lang.lisp This picture of a beware-of-the-trolls mock street sign is technically off-topic, but might come handy occasionally: (via ). (require 'disclaimer) ;all resemblances... ---Vassil. -- "Even when the m... Vassil

Lisp is like Banquo... 0 30 (8/18/2009 4:06:54 AM) comp.lang.lisp Admitting that the analogy is somewhat weak, it occurred to me once that, given how many ideas originating from Lisp have been incorporated into other languages, including frequently used ones, this can be com... Vassil

skip two expressions in a row when reading 9 32 (7/31/2009 4:25:27 AM) comp.lang.lisp Let's say we have foo bar baz in a file to be consumed by READ and we want to change it to have FOO and BAR skipped without disturbing that line itself, i.e. by putting something on the previous line (we d... Vassil

vnikolov1's replies:

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howto embed tab character (#\Tab) in format directive string? 13 27 (11/2/2009 7:00:46 AM) comp.lang.lisp Hi Formatting a list as a comma-delimited string is easy; (format nil "~{~a~^,~}" '(1 2 3)) => "1,2,3" How do i do the same (SBCL) but with tab characters in the output? It must be simple but I've tried a ... mpheasant (2)

help give a macro a good name 19 21 (11/3/2009 10:26:38 AM) comp.lang.lisp Hi list! I saw things like appendf in alexandria. (appendf a b) can be replaced with (a sligtly more verbose, but more general) (arg1f append a b), where (defmacro arg1f (function place &rest args) ... budden-lisp (279)

UPDATE, UPDATE* 23 40 (11/4/2009 5:42:24 AM) comp.lang.lisp Macro UPDATE, UPDATE*: Syntax: update ( {(var place)}* ) declaration* form* => result* update* ( {(var place)}* ) declaration* form* => result* Arguments and Values: var -- a symbol place -- a p... kkylheku (2499)

Mistake in the specification of rotatef ? 6 27 (11/5/2009 2:17:12 AM) comp.lang.lisp In http://www.lispworks.com/documentation/HyperSpec/Body/m_rotate.htm we read: "In the form (rotatef place1 place2 ... placen), the values in place1 through placen are read and written". Does it mean "saved" in... spibou (1037)

Is there a better way to store this? 13 32 (11/6/2009 4:08:46 PM) comp.lang.lisp I am writing a 'guess the animal' game for my Lisp book of games. This game uses a binary deduction tree. The thing is this tree needs to be stored to and loaded from disk. This is a simple game and I don't w... jpthing (785)

How to set the value? 15 33 (11/7/2009 3:26:19 AM) comp.lang.lisp Hi All, I have been programming in LISP for couple of months now. Today, came across a new notation and had a question on that. Let me give an example: I have an access to an "object" [i don't know what the t... harikris (13)

Remembering information during compilation 46 26 (11/7/2009 6:18:19 PM) comp.lang.lisp I'm trying to construct a macro called memory. The syntax is memory (&rest body) and doing (memory form) should expand to (SYMBOL-MACROLET ((CELL XXX)) form) where XXX should be replaced by the number of ... spibou (1037)

How to tell reader that strings are delimited with `<' and `>' ? 18 66 (11/8/2009 7:55:31 PM) comp.lang.lisp Hello, I am parsing a file that has snippets such as I would like to coax the reader to return a string "label". Right now, I have defined a macro character #\ is found. But I wonder if I can coax the rea... mirko.vukovic (404)

porting a Forth program 225 290 (3/8/2010 10:44:53 PM) comp.lang.lisp I have been vaguely intending to learn Lisp for a long time (several decades now). I recently wrote a Forth program to generate gcode for a CNC milling machine to etch the faces of a slide-rule: http://www.f... hughaguilar96 (1076)

(compile 'foo) when foo is a macro? 15 91 (3/12/2010 7:27:06 PM) comp.lang.lisp If FOO is already a macro, what should (compile 'foo ...) do? The CLHS says the macro function should be updated, but it's not clear to me what it should be updated to. Apparently Lispworks and SBCL update ... toy.raymond (41)